diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index df25eb7f1..c999c4f77 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.7.2-2"
-export PIKA_PACKAGE_NAME="device-tree-compiler"
+export PIKA_PACKAGE_VERSION="0.9.15-p2+20241205-4"
+export PIKA_PACKAGE_NAME="gauche"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"